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Finding the Fourth Proportional to 261,572.49, 358,611.50 and 256,848.57

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Solution

The fourth proportional to 261,572.49, 358,611.50 and 256,848.57 is: 352,135.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,572.49 : 358,611.50 = 256,848.57 : x
  2. Step 2: Convert to fraction form
    261,572.49/358,611.50 = 256,848.57/x
  3. Step 3: Cross multiply
    261,572.49x = 358,611.50 × 256,848.57
  4. Step 4: Simplify right side
    261,572.49x = 92,108,851,602.68
  5. Step 5: Solve for x
    x = 92,108,851,602.68/261,572.49
  6. Step 6: Final answer
    x = 352,135.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.